Twin brothers are born from the same mother on the very same morning. Both are perfectly healthy. Yet, the proper day for one’s bris mila is 8 days later, while the proper day
for the other one’s bris ...

In the times of Kiddush HaChodesh Shavuos which is 50 days after the start of Sefiras HaOmer could come out either 5, 6, or 7 Sivan depending on how many days Nisan and Iyar had. There is still one ...